WD-40 SPECIALIST MACHINE & ENGINE DEGREASER FOAMING SPRAY makes equipment run smoother, last longer and look like new. With deep foaming penetrating action and a powerful stream that sprays up to five feet, it quickly removes grease, oil, dirt and grime. In ASTM tests, WD-40 Specialist Machine & Engine Degreaser Foaming Spray outperforms the leading competitors. It’s 50-state VOC compliant and is an ideal engine cleaner and industrial degreaser for use on auto and truck engines, tractors, forklifts, gears and chains, industrial machinery, farm and power equipment and other metal tools.